1280457518

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{3359}}^1\times {\mathrm{8287}}^1$

素因数の和:11671

約数の個数: 16

約数和(自身を含む): 2005032960

約数和(自身を除く): 724575442

約数列:

[1, 2, 23, 46, 3359, 6718, 8287, 16574, 77257, 154514, 190601, 381202, 27836033, 55672066, 640228759, 1280457518]

約数ペア:

[(1, 1280457518), (2, 640228759), (23, 55672066), (46, 27836033), (3359, 381202), (6718, 190601), (8287, 154514), (16574, 77257)]